– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Mon 13 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 13 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 13 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 26°C on Wed afternoon, min 15°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light. | |||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  | | | |  |  |  | | | | | | |
clear | clear | clear | clear | clear | clear | cloudy | clear | clear | clear | some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 0.7 | 0.7 | 0.2 | 0.1 | — | — | — |
max °C | 19 | 24 | 20 | 22 | 25 | 21 | 22 | 26 | 22 | 27 | 29 | 26 | 18 | 18 | 17 | 18 | 21 | 18 |
min °C | 15 | 23 | 15 | 18 | 24 | 17 | 19 | 26 | 19 | 22 | 29 | 17 | 16 | 18 | 13 | 15 | 21 | 13 |
chill °C | 15 | 23 | 15 | 18 | 24 | 17 | 19 | 26 | 19 | 22 | 29 | 17 | 16 | 18 | 13 | 15 | 21 | 13 |
Freezing level m | 3500 | 3750 | 3900 | 3950 | 4150 | 4150 | 3900 | 4050 | 4100 | 4200 | 4400 | 4450 | 4100 | 4050 | 3750 | 3550 | 3650 | 3550 |
Cloud base (m) | 6900 | 6200 | 8700 | 4250 | 5800 | 600 | 700 | 700 | ||||||||||
 | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — |
 | — | — | 9:07 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:04 | — | — | 9:02 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 26°C on Wed afternoon, min 15°C on Mon morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.